Babes in Space! Sci-Fi Sexpots

The girls said they'll show more skin in R-rated steamy scenes in a 2-hour movie "Battlestar Galactic: The Plan," which will first be released on DVD on Oct. 27 and then premiere on the SyFy channel in early 2010.

"There will certainly be a lot more explicit action on the DVD," blonde bombshell Helfer said. "And I refuse to have a body double, so you will see a little bit of skin from me as the Six character."

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"There's also a new character you'll see in some very intense sex scenes," she said.

Sultry brunette Grace Park said there would be a lot of explicit scenes -- but it's not just women stripping down.

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"There's going to be a T & A version," she said. "Though maybe I should say T, C & A , because it's not just girls this time."